CRADA Final Report: CRADA Number NFE20-08315 with Reactwell L.L.C.

Summary

This CRADA Final Report details the development of an integrated process for direct air capture (DAC) of CO2 and its electrochemical conversion to ethanol, a collaboration between ORNL and Reactwell L.L.C. Researchers optimized a DAC chemistry using MGBIG and sarcosine, achieving a cyclic capacity of 0.23 ± 0.02 mol CO2/L or 10 ± 1 g CO2 per 24-hour cycle. A second-generation Rotating Air Contactor with a 1.2 m² air-liquid contact area was developed, estimated to capture 100 g CO2/day. A technoeconomic assessment for a 1 MM t CO2/year plant projected an initial CO2 capture cost of $280/tonne, with potential reductions to $179/tonne if capture efficiency reaches 95%. The technology's TRL advanced from 3 to 4, with plans for commercialization, including Holocene Climate Corporation targeting 10 t CO2 removal per year by late 2024.

Key Facts

Source Document

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